Comment retourner des données de morceaux Laravel

$count = 0;
DB::table('users')->chunk(200, function($users) use (&$count)
{
    Log::debug(count($users)); // will log the current iterations count
    $count = $count + count($users); // will write the total count to our method var
});
Log::debug($count); // will log the total count of records
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